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(11) | EP 1 202 386 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Radio device and antenna structure |
| (57) A radio device and an antenna structure, wherein a groove (103) provided in a planar
radiator (110) of the antenna is used to generate resonances for different frequency
ranges, enabling the generation of more than one separate frequency ranges and at
least one frequency range covering several mobile communication system bandwidths
used. The groove (103) is implemented on the planar radiator (110) such that at least
part of the groove is located between a feed point (101) and a ground point (102). |